a. Express 2x 2 - x + 6 in the form p(x - q) 2 + r,
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a. Express 2x2 - x + 6 in the form p(x - q)2 + r, where p, q and r are constants to be found.
b. Hence state the least value of 2x2 - x + 6 and the value of x at which this occurs.
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Given expression 2x 2 x6 to expressed in the form pxq 2 r and values of p q and r to be found ...View the full answer
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Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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